A fine tuning free resolution of the cosmological constant problem

Details A fine tuning free resolution of the cosmological constant problem A fine tuning free resolution of the cosmological constant problem

2007-02-08

arxiv.org/abs/hep-th/0702064v2

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, 2 figures

Scientific paper

In a recent paper we discovered that a fermionic condensate is formed from gravitational interactions due to the covariant coupling of fermions in the presence of a torsion-fermion contact interaction. The condensate gap gives a negative contribution to the bare cosmological constant. In this letter, we show that the cosmological constant problem can be solved without fine tuning of the bare cosmological constant. We demonstrate how a universe with a large initial cosmological constant undergoes inflation, during which time the energy gap grows as the volume of the universe. Eventually the gap becomes large enough to cancel out the bare cosmological term, inflation ends and we end up in a universe with an almost vanishing cosmological term. We provide a detailed numerical analysis of the system of equations governing the self regulating relaxation of the cosmological constant.

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